Disease or Syndrome
hypomagnesemia Audio
hy·po·mag·ne·se·mi·a [ hy-poh-mag-neh-see-mee-uh ]
Definitions related to hypomagnesemia:
  • Abnormally low level of magnesium in the blood.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • An abnormally decreased magnesium concentration in the blood.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Lower than normal levels of magnesium in the circulating blood.
    NCI
    U.S. National Cancer Institute, 2021
  • A disorder characterized by laboratory test results that indicate a low concentration of magnesium in the blood.
    Common Terminology Criteria for Adverse Events
    U.S. National Institutes of Health, 2021
  • Hypomagnesemia is serum magnesium concentration < 1.8 mg/dL (< 0.70 mmol/L). Causes include inadequate magnesium intake and absorption or increased excretion due to hypercalcemia or drugs such as furosemide. Clinical features are often due to accompanying hypokalemia and hypocalcemia and include lethargy, tremor, tetany, seizures, and...
    Merck Manuals
    Merck & Co., Inc., 2025
  • Abnormalities of magnesium levels, such as hypomagnesemia, can result in disturbances in nearly every organ system and can cause potentially fatal complications (eg, ventricular arrhythmia, coronary artery vasospasm, sudden death). Despite the well-recognized importance of magnesium, low and high levels have been documented in ill...
    Medscape
    WebMD, 2025
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